Red Rock is a small unincorporated area in South-Central Pinal County, Arizona, United States along Interstate 10. Elevation is 1,865 feet (568 m) according the the water tower. Mostly agricultural land until recent times; starting to acquire some Tract home communities. Area also consists of large sections of undeveloped Sonoran Desert. Also home to the Saguaro Power Plant and the Saguaro Solar Power Station - a 1 MW solar trough concentrating power plant. Both owned by Arizona Public Service (APS).